Globe Marine Run-Dry&reg; Model 625 Impeller for Jabsco 18948-0001, Johnson 09-702B-1, Volvo 835874 & Sherwood 10615 Made With Run-Dry-- Guaranteed to Run-Dry for Up to 15 Minutes 2-9/16" x 1-5/8" Deep, 5/8" shaft diameter, Keyway Drive, 12 Blades. Impeller only - no gaskets. Fits Jabsco 18948-0001, Volvo 835874, Johnson Pump 09-702B-1, Sherwood 10615, Don't get stranded out in the water -- order a spare impeller today. Water applications only. Made in USA